CN105072803A - Flexible circuit board and electronic equipment - Google Patents
Flexible circuit board and electronic equipment Download PDFInfo
- Publication number
- CN105072803A CN105072803A CN201510404747.8A CN201510404747A CN105072803A CN 105072803 A CN105072803 A CN 105072803A CN 201510404747 A CN201510404747 A CN 201510404747A CN 105072803 A CN105072803 A CN 105072803A
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- China
- Prior art keywords
- cabling
- flexible pcb
- pad
- main
- electronic equipment
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0296—Conductive pattern lay-out details not covered by sub groups H05K1/02 - H05K1/0295
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/118—Printed elements for providing electric connections to or between printed circuits specially for flexible printed circuits, e.g. using folded portions
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/4007—Surface contacts, e.g. bumps
- H05K3/4015—Surface contacts, e.g. bumps using auxiliary conductive elements, e.g. pieces of metal foil, metallic spheres
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/03—Conductive materials
- H05K2201/0332—Structure of the conductor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/05—Flexible printed circuits [FPCs]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/09218—Conductive traces
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Structure Of Printed Boards (AREA)
Abstract
The invention discloses a flexible circuit board and electronic equipment, belongs to the technical field of display, and solves the technical problem that circuit break easily occurs in a line at a position of a bonding pad in the prior art. The flexible circuit board is provided with bonding pads and main wirings connected with the bonding pads; and the flexible circuit board is further provided with secondary wirings, one end of each secondary wiring is connected with the corresponding bonding pad, and the other end of each secondary wiring is connected with the corresponding main wiring. The flexible circuit board can be applied to electronic equipment such as a mobile phone, a tablet personal computer and intelligent wearable equipment.
Description
Technical field
The present invention relates to Display Technique field, specifically, relate to a kind of flexible PCB and electronic equipment.
Background technology
Along with the development of electronic technology, the electronic equipments such as mobile phone, panel computer, Intelligent worn device are also more and smaller and more exquisite, frivolous, and continue to miniaturization.
Flexible PCB (FlexiblePrintedCircuit is called for short FPC) is the vitals in the miniaturized electronicss such as mobile phone.Flexible PCB has height reliability, flexible printed circuit with polyimides or polyester film for the one that base material is made, and has the features such as distribution density is high, lightweight, thickness is thin, bending property is good.Such as in mobile phone, utilize that flexible PCB is lightweight, thickness is a little thin, effectively can save the volume of mobile phone, easily the parts such as battery, microphone be linked into an integrated entity.
Flexible PCB can be provided with pad usually, for the various components and parts of connection encapsulation on flexible PCB, thus form FPC assembly (FPCAssembly is called for short FPCA).At present, on flexible PCB, usually utilize a cabling to connect pad, pad is connected with other circuit by this cabling.In addition, in order to improve the reliability be connected between pad with cabling, also tear process can be carried out in the junction of pad and cabling.But along with the size of flexible PCB is more and more less, the space of its inner cabling is also in reduction, and the width of cabling is also more and more thinner.When bending flexible PCB, the cabling at pad place wherein easily breaks, and more easily breaks in the position of particularly tear process, causes the circuit at pad place easily open circuit to occur, reduces the yields of product.
Summary of the invention
The object of the present invention is to provide a kind of flexible PCB and electronic equipment, the technical problem of open circuit easily occurs with the circuit solving pad place in prior art.
The invention provides a kind of flexible PCB, described flexible PCB is provided with pad, and the main cabling be connected with described pad;
Described flexible PCB is also provided with time cabling, one end of described cabling connects described pad, and the other end of described cabling connects described main cabling.
In one embodiment, the side of described main cabling is provided with described cabling.
In another embodiment, described cabling is provided with in the both sides of described main cabling.
Further, the length being arranged on the secondary cabling of described main cabling both sides is different.
Preferably, the material of described main cabling and described cabling is cathode copper, calendering copper or high ductibility cathode copper.
Preferably, the thickness of described main cabling and described cabling is within 0.3oz to 1oz.
Preferably, the width of described main cabling and described cabling is at more than 0.7mm.
Further, described main cabling is connected by tear treatment process with between described pad.
The present invention also provides a kind of electronic equipment, and described electronic equipment comprises above-mentioned flexible PCB.
Further, the pad place of described flexible PCB is packaged with electronic devices and components.
Present invention offers following beneficial effect: in flexible PCB provided by the invention, except main cabling connects pad, be also provided with time cabling.One end of secondary cabling connects pad, and the other end of secondary cabling connects main cabling, makes time cabling be formed in parallel with a part for main cabling.When junction between pad and main cabling occurs to break, pad still can be connected to other circuit by time cabling, thus reduces the probability of the circuit generation open circuit at pad place, improves the yields of product.
Other features and advantages of the present invention will be set forth in the following description, and, becoming apparent from specification of part, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in specification, claims and accompanying drawing and obtain.
Accompanying drawing explanation
In order to the technical scheme in the clearer explanation embodiment of the present invention, accompanying drawing required in describing is done simple introduction below to embodiment:
Fig. 1 is the partial schematic diagram of the flexible PCB that the embodiment of the present invention one provides;
Fig. 2 is the partial schematic diagram of the flexible PCB that the embodiment of the present invention two provides;
Fig. 3 is the partial schematic diagram of the flexible PCB that the embodiment of the present invention three provides.
Embodiment
Describe embodiments of the present invention in detail below with reference to drawings and Examples, to the present invention, how application technology means solve technical problem whereby, and the implementation procedure reaching technique effect can fully understand and implement according to this.It should be noted that, only otherwise form conflict, each embodiment in the present invention and each feature in each embodiment can be combined with each other, and the technical scheme formed is all within protection scope of the present invention.
embodiment one:
The embodiment of the present invention provides a kind of flexible PCB, can be applicable in electronic equipment, particularly the miniaturized electronics such as mobile phone, panel computer, Intelligent worn device.
As shown in Figure 1, flexible PCB is provided with the packaging area 100 of components and parts, in packaging area 100, is provided with pad 101.Component package on flexible PCB after, be namely connected with other circuit in flexible PCB by pad 101.
Flexible PCB is also provided with the main cabling 102 and secondary cabling 103 that are connected with pad 101.One end of secondary cabling 103 connects pad 101, and the other end of secondary cabling 103 connects main cabling 102, makes time cabling 103 be formed in parallel with a part for main cabling 102.In the present embodiment, be provided with time cabling 103 in the side of main cabling 102.
As a preferred version, main cabling 102 is connected by tear process 104 technique with between pad 101.Be connected excessively by tear process 104 pairs of pads 101 with main cabling 102, when flexible PCB bends, or when being subject to the collision of external force, effectively can avoid the separated of main cabling 102 and pad 101.In addition, flexible PCB also can be made to seem more attractive in appearance through tear process.
In the present embodiment, the material of main cabling 102 and time cabling 103 is cathode copper, calendering copper or high ductibility cathode copper, and the base material of flexible PCB and cover layer can adopt polyimides (Polyimide) or polyester (Polyester).
The thickness of main cabling 102, secondary cabling 103 can within 0.3oz to 1oz.In the present embodiment, the thickness of main cabling 102, secondary cabling 103 is 0.5oz, and the thickness that the area that namely copper of 0.5oz is evenly laid in 1 square inch reaches is to represent the average thickness of Copper Foil with the weight of unit are.In addition, the width of main cabling 102 and time cabling 103, preferably at more than 0.7mm, makes the impedance of main cabling 102 and time cabling 103 remain within lower scope.
In the flexible PCB that the embodiment of the present invention provides, except main cabling 102 connects except pad 101, be also provided with time cabling 103.One end of secondary cabling 103 connects pad 101, and the other end of secondary cabling 103 connects main cabling 102, makes time cabling 103 be formed in parallel with a part for main cabling 102.When tear process 104 position between pad 101 and main cabling 102 occurs to break, or when there is broken string in main cabling 102, as long as the position that broken string occurs is no more than the junction of main cabling 102 and time cabling 103, pad 101 still can pass through the circuit that time cabling 103 be connected to other, thus reduce the probability of the circuit generation open circuit at pad 101 place, improve the yields of product.
embodiment two:
The embodiment of the present invention provides a kind of flexible PCB, can be applicable in electronic equipment, particularly the miniaturized electronics such as mobile phone, panel computer, Intelligent worn device.
As shown in Figure 2, flexible PCB is provided with the packaging area 200 of components and parts, in packaging area 200, is provided with pad 201.Component package on flexible PCB after, be namely connected with other circuit in flexible PCB by pad 201.
Flexible PCB is also provided with the main cabling 202 and secondary cabling 203 that are connected with pad 201.One end of secondary cabling 203 connects pad 201, and the other end of secondary cabling 203 connects main cabling 202.In the present embodiment, be provided with time cabling 203 in the both sides of main cabling 202, make two cablings 203 be formed in parallel with a part for main cabling 202.
As a preferred version, main cabling 202 is connected by tear place 204 science and engineering skill with between pad 201.Be connected excessively by tear process 204 pairs of pads 201 with main cabling 202, when flexible PCB bends, or when being subject to the collision of external force, effectively can avoid the separated of main cabling 202 and pad 201.In addition, flexible PCB also can be made to seem more attractive in appearance through tear process.
In the present embodiment, the material of main cabling 202 and time cabling 203 is cathode copper, calendering copper or high ductibility cathode copper, and the base material of flexible PCB and cover layer can adopt polyimides or polyester.The thickness of main cabling 202, secondary cabling 203 can within 0.3oz to 1oz, and in the present embodiment, the thickness of main cabling 202, secondary cabling 203 is 0.5oz.In addition, the width of main cabling 202 and time cabling 203, preferably at more than 0.7mm, makes the impedance of main cabling 202 and time cabling 203 remain within lower scope.
In the flexible PCB that the embodiment of the present invention provides, except main cabling 202 connects except pad 201, be also provided with time cabling 203.One end of secondary cabling 203 connects pad 201, and the other end of secondary cabling 203 connects main cabling 202, makes time cabling 203 be formed in parallel with a part for main cabling 202.When tear process 204 position between pad 201 and main cabling 202 occurs to break, or when there is broken string in main cabling 202, as long as the position that broken string occurs is no more than the junction of main cabling 202 and time cabling 203, pad 201 still can pass through the circuit that time cabling 203 be connected to other, thus reduce the probability of the circuit generation open circuit at pad 201 place, improve the yields of product.
Be further, all be provided with time cabling in the both sides of main cabling in the present embodiment, so when main cabling (or tear process position) and wherein all there is broken string in a time cabling time, pad still can be connected to other circuit by another time cabling, thus reduce further the probability of the circuit generation open circuit at pad place, improve the yields of product.
embodiment three:
As shown in Figure 3, the embodiment of the present invention provides a kind of flexible PCB, it is substantially identical with embodiment two, comprise the pad 301 be arranged in packaging area 300, and by the main cabling 302 that tear process 304 technique is connected with pad 301, and the both sides of main cabling 302 are provided with time cabling 3031,3032.Difference between the present embodiment and embodiment two is, the length being arranged on the secondary cabling 3031,3032 of main cabling 302 both sides in the present embodiment is different.
The length of secondary cabling increases, and just can, when broken string occurs main cabling in a wider context, continue to ensure the connection between pad and other circuit, the length of the following cabling be the bigger the better.But in the wiring of reality, the wiring space of main cabling both sides is often different.Therefore in the present embodiment, in the side that the wiring space of main cabling 302 is more abundant, longer secondary cabling 3031 is set; In the side that the wiring space of main cabling 302 is less, shorter secondary cabling 3032 is set.
When broken string all occurs for main cabling 302 and longer secondary cabling 3031, pad 301 can continue to keep the connection between other circuit by shorter secondary cabling 3032.When broken string all occurs for main cabling 302 and shorter secondary cabling 3032, pad 301 can continue to keep the connection between other circuit by longer secondary cabling 3031.Further, as long as the position that main cabling 302 occurs to break is no more than the junction of main cabling 302 and longer secondary cabling 3031, pad 301 just can continue to keep the connection between other circuit by longer secondary cabling 3031.Therefore, the present embodiment, compared to embodiment one and embodiment two, can reduce the probability of the circuit generation open circuit at pad place further, improves the yields of product.
embodiment four:
The present invention also provides a kind of electronic equipment, can be the miniaturized electronicss such as mobile phone, panel computer, Intelligent worn device.This electronic equipment comprises the flexible PCB that above-mentioned any embodiment provides, and is packaged with electronic devices and components at the pad place of flexible PCB.These electronic devices and components are electrically connected with pad, and are connected with other circuit in flexible PCB further by main cabling and secondary cabling.
The electronic equipment that the embodiment of the present invention provides, has identical technical characteristic with the flexible PCB that above-described embodiment provides, so also can solve identical technical problem, reaches identical technique effect.
Although execution mode disclosed in this invention is as above, the execution mode that described content just adopts for the ease of understanding the present invention, and be not used to limit the present invention.Technical staff in any the technical field of the invention; under the prerequisite not departing from spirit and scope disclosed in this invention; any amendment and change can be done what implement in form and in details; but scope of patent protection of the present invention, the scope that still must define with appending claims is as the criterion.
Claims (10)
1. a flexible PCB, is characterized in that, described flexible PCB is provided with pad, and the main cabling be connected with described pad;
Described flexible PCB is also provided with time cabling, one end of described cabling connects described pad, and the other end of described cabling connects described main cabling.
2. flexible PCB according to claim 1, is characterized in that, the side of described main cabling is provided with described cabling.
3. flexible PCB according to claim 1, is characterized in that, is provided with described cabling in the both sides of described main cabling.
4. flexible PCB according to claim 3, is characterized in that, the length being arranged on the secondary cabling of described main cabling both sides is different.
5. flexible PCB according to claim 1, is characterized in that, the material of described main cabling and described cabling is cathode copper, calendering copper or high ductibility cathode copper.
6. flexible PCB according to claim 1, is characterized in that, the thickness of described main cabling and described cabling is within 0.3oz to 1oz.
7. flexible PCB according to claim 1, is characterized in that, the width of described main cabling and described cabling is at more than 0.7mm.
8. flexible PCB according to claim 1, is characterized in that, described main cabling is connected by tear treatment process with between described pad.
9. an electronic equipment, is characterized in that, described electronic equipment comprises the flexible PCB as described in any one of claim 1 to 8.
10. electronic equipment according to claim 9, is characterized in that, the pad place of described flexible PCB is packaged with electronic devices and components.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510404747.8A CN105072803B (en) | 2015-07-10 | 2015-07-10 | Flexible PCB and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510404747.8A CN105072803B (en) | 2015-07-10 | 2015-07-10 | Flexible PCB and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105072803A true CN105072803A (en) | 2015-11-18 |
| CN105072803B CN105072803B (en) | 2018-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510404747.8A Active CN105072803B (en) | 2015-07-10 | 2015-07-10 | Flexible PCB and electronic equipment |
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| Country | Link |
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| CN (1) | CN105072803B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105430895A (en) * | 2015-12-29 | 2016-03-23 | 广东欧珀移动通信有限公司 | Mobile terminal, flexible circuit board and manufacture method of flexible circuit board |
| CN106455314A (en) * | 2016-11-16 | 2017-02-22 | 苏州市华扬电子股份有限公司 | Flexible board welding plate |
| CN109307169A (en) * | 2018-10-17 | 2019-02-05 | 陈志强 | A kind of pig raising LED light special |
| CN110392483A (en) * | 2019-06-26 | 2019-10-29 | 格力电器（合肥）有限公司 | FPC flexible circuit board, the optimization method of FPC route, display module and electronic device |
| CN110536549A (en) * | 2019-09-30 | 2019-12-03 | 广西天山电子股份有限公司 | A kind of bend resistance flexible circuit board |
| CN111315123A (en) * | 2020-02-26 | 2020-06-19 | 歌尔股份有限公司 | PCB and connecting structure of PCB and connector |
| CN112702835A (en) * | 2020-12-25 | 2021-04-23 | 浙江荷清柔性电子技术有限公司 | Flexible circuit board packaging method and flexible circuit board |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105430895A (en) * | 2015-12-29 | 2016-03-23 | 广东欧珀移动通信有限公司 | Mobile terminal, flexible circuit board and manufacture method of flexible circuit board |
| CN106455314A (en) * | 2016-11-16 | 2017-02-22 | 苏州市华扬电子股份有限公司 | Flexible board welding plate |
| CN109307169A (en) * | 2018-10-17 | 2019-02-05 | 陈志强 | A kind of pig raising LED light special |
| CN110392483A (en) * | 2019-06-26 | 2019-10-29 | 格力电器（合肥）有限公司 | FPC flexible circuit board, the optimization method of FPC route, display module and electronic device |
| CN110536549A (en) * | 2019-09-30 | 2019-12-03 | 广西天山电子股份有限公司 | A kind of bend resistance flexible circuit board |
| CN111315123A (en) * | 2020-02-26 | 2020-06-19 | 歌尔股份有限公司 | PCB and connecting structure of PCB and connector |
| CN112702835A (en) * | 2020-12-25 | 2021-04-23 | 浙江荷清柔性电子技术有限公司 | Flexible circuit board packaging method and flexible circuit board |
| CN112702835B (en) * | 2020-12-25 | 2022-02-25 | 浙江荷清柔性电子技术有限公司 | Flexible circuit board packaging method and flexible circuit board |
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|---|---|
| CN105072803B (en) | 2018-06-22 |
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